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NCT02461420Active, not recruiting

Mapping the Genotype, Phenotype, and Natural History of Phelan-McDermid Syndrome

Source: ClinicalTrials.gov · Last updated 6 Aug 2026

Brief summary (registry, in English)

The purpose of this study is to comprehensively characterize PMS using standardized medical, cognitive, and behavioral measures and to track the natural history of the syndrome using repeated longitudinal assessments. In addition, this study will be aiming to identify biomarkers using neuroimaging, including diffusion tensor imaging and identify genetic factors which contribute to diverse phenotypes in patients with PMS.

Status (registry)
Active, not recruiting
Study type
Observational
Enrollment
207 (actual)
First submitted
11 May 2015
Start date
May 2015
Primary completion date
Dec 2025
Lead sponsor
Boston Children's Hospital
Diseases
Autism
NCT number
NCT02461420

What you commit to

  • Study type: Observational
  • Participants enrolled: 207
  • From May 2015 to the primary completion date, Dec 2025
  • 5 sites in 1 country
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Has taken an investigational drug as part of another research study, within 30 days prior to study enrollment

Other illness

  • For subjects involved in imaging biomarker assessment: contraindications to 3T MRI scanning, such as metal implants/non-compatible medical devices or medical conditions, including vagus nerve stimulator

Age

  • For subjects involved in EEG/ ERP biomarker assessment: contraindications to EEG/ERP, such as uncooperative or destructive behaviors preventing lead placement or capture by ERP/VEP equipment. Under age 2 or over age 11 at the time of enrollment.

Other

  • Unwilling or unable to comply with study procedures and assessments

Who the study is looking for

  • Individuals older than 18 months of age with pathogenic deletions or mutations of the SHANK3 gene
  • English speaking individuals

Age in the registry: 18 months to - · Sex: All · Accepts healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (5)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
National Institutes of Health
Coordinator of this site? Confirm its status
BethesdaUnited StatesUnknown status
Boston Children's Hospital
Coordinator of this site? Confirm its status
BostonUnited StatesUnknown status
Rush University Medical Center
Coordinator of this site? Confirm its status
ChicagoUnited StatesUnknown status
Icahn School of Medicine at Mount Sinai
Coordinator of this site? Confirm its status
New YorkUnited StatesUnknown status
Stanford University
Coordinator of this site? Confirm its status
StanfordUnited StatesUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.